Specifications : -Material: Plastic Shell -Temperature sensor of screw diameter : 10mm -Digit: 3 Digit -Power Supply: DC 9V - 36V -Accuracy: +/-1% -Measuring temperature: -10120 -Working environment degree: -10 -50 -Water temperature alarm: 95 -120 -Emperature sensor screw: M10 -Red --- power + -Black --- power - Application: Suitable for 12V,24V Car universal. Feature: -Sunshield design for better display. -With digital display, intuitive observation. -Parameter display precision and stability, low power consumption. -Easy installation, stable performance, anti vibration and anti bump. Note : -Please allow 1-3cm differences due to manual measurement. -We have different types of Adapter, please purchase according to your needs. Package Included(as picture) : 1X Water temp Gauge 1X Water temp sensor(10mm) Package Included(as picture) : 1X Water temp Gauge 1X Water temp sensor(10mm) 1 X Adapter(26mm,28mm,30mm,32mm,34mm,36mm,38mm,40mm)